June 19, 2017 7:30 am Police: Armed Intruder at Square One Mall in Saugus All of the Square One Mall entrances are being blocked by police vehicles as they respond to a report of an armed intruder. US & World Videos 4:09 Budgets, staffing, and social media can all impact violence in schools, administrators say 2:35 Sumner Tunnel closed for weekend 2:16 Bruins fans disheartened by season-ending loss 20:21 Karen Read trial: Jen McCabe testifies ‘hos long' search was made after John O'Keefe was found 3:17 Featuring ‘age-friendly' employers